Messages in this thread | | | Date | Wed, 02 Apr 2008 10:38:56 -0400 | From | Mark Lord <> | Subject | Re: 2.6.25-rc7: Ugh. |
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(CCing linux-usb again) (CCing Alan Stern on this sub-thread)
Oliver Neukum wrote: > Am Montag, 31. März 2008 21:21:45 schrieb Mark Lord: >> Oliver Neukum wrote: >>> But if power is cut with newer kernels and older kernels retain it, something >>> must have changed. Can you undo the ACPI changes since the last working >>> kernel? >> .. >> >> No, that's no different. >> This notebook always cuts +5V from USB on suspend or poweroff. >> Regardless of kernel version. I don't know how common this is, >> but all of my notebooks here have always behaved this way, >> as have most (but not all) of the larger systems. >> >> The two most recent PCIe motherboards I have here >> do provide +5V standby power to USB, even when "OFF", >> much to my annoyance and to the detriment of this planet. > > Very well. > > Mark, can you get a sysrq-t trace of your whole system when USB goes > dead? And please enable CONFIG_USB_DEBUG. We need to do whether > khubd and ksuspend_usbd are in state D. ..
Both of those things were already done, and results from the last time are attached to the bugzilla report: http://bugzilla.kernel.org/show_bug.cgi?id=10345
I'll be installing -rc8 today, and see what happens there.
Cheers
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